Avast OneFree antivirus and much more, now with anti-scam AI tech
Strengthen your PC's defense against scams with Scam Guardian. Check suspicious messages or offers with Avast Assistant. Get award-winning antivirus protection. Browse online with greater safety and privacy with VPN. It's all possible with Avast One and more.
January 2026 Top-Rated Product 2025
December 2025 Top Product
January 2026 Top-Rated Product 2025
December 2025 Top Product
Millions of people choose Avast to get:
AI-powered anti-scam guidance
Defense against hidden scams
Safer browsing and emailing
An app that’s easy to install and use
January 2026 Top-Rated Product 2025
Get it for free!
Free download
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Security, speed, and privacy, all in one place
Avast One gives you award-winning cyberthreat protection. You can also add more of what you want to boost your all-in-one safety, online privacy, and PC performance.
Stop viruses with our top-rated antivirus
Keep safe from viruses and other malware with award-winning Free Antivirus.
Stay on top of info breaches
Scan the dark web for leaked passwords with BreachGuard.
Free up space on your PC
Clean up junk files to reclaim storage space on your PC with Cleanup.
Premium
Get greater privacy and freedom online
Browse more privately and securely, plus access your favorite content with SecureLine VPN.
Premium
Reduce crashes, boost audio and video
Scan for outdated drivers and update them to help your PC with Driver Updater.
Premium
Decrease targeted ads and tracking
Scan for online trackers, disguise your digital fingerprint, and delete cookies with AntiTrack.
But there’s more inside the latest version
Avast One has always been your all-in-one online guardian. Now, thanks to Avast Assistant and Scam Guardian, we can offer you even more.
Browse and email in peace, supported by clever AI
Our AI-powered Web Guard not only helps you block malware, but also boosts your security against hidden scams and websites trying to steal your money or info.
Why not use our anti-scam AI assistant too?
If you suspect an online offer or message seems off, our Avast Assistant can help you identify if it’s a scam, giving you clear, easy-to-read guidance fast.
Why not use our anti-scam AI assistant too?
If you suspect an online offer or message seems off, our Avast Assistant can help you identify if it’s a scam, giving you clear, easy-to-read guidance fast.
Your game or movie time is now uninterrupted
We’ve renamed Game Mode and taught it some extra tricks. Now called Do Not Disturb Mode, it blocks distracting pop-ups whether you’re gaming, watching movies, or presenting in full-screen mode.
Introducing Behavior Shield
We don’t just check your applications for malware. We now keep an eye on their behavior to make sure they don’t suddenly go rogue.
Easy to install, effortless to use
Our antivirus software scans for security and performance issues and helps you to fix them instantly. It also helps protect you in real time by analyzing unknown files before they reach your desktop PC or laptop, all for free.
You may still be wondering...
How to install
Get protected right away by following these 3 easy steps:
Step 2
2. Open the file
Open the downloaded file and approve the installation.
Step 3
3. Install the file
Run the installer and follow the simple instructions.
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